diff --git a/scenarios/m04_critical_failure/IMPLEMENTATION_STATUS.md b/scenarios/m04_critical_failure/IMPLEMENTATION_STATUS.md
index 9f60c19..9c59964 100644
--- a/scenarios/m04_critical_failure/IMPLEMENTATION_STATUS.md
+++ b/scenarios/m04_critical_failure/IMPLEMENTATION_STATUS.md
@@ -2,13 +2,13 @@
 
 **Mission ID:** m04_critical_failure
 **Last Updated:** 2025-12-28
-**Current Status:** Core Implementation Complete (70%)
+**Current Status:** Dialogue Implementation Complete (85%)
 
 ---
 
-## Overall Progress: 70% Complete
+## Overall Progress: 85% Complete
 
-### ✅ Completed (70%)
+### ✅ Completed (85%)
 
 #### Planning Documentation (100% - Stages 1-9)
 - ✅ **Stage 1:** Narrative Structure (`stages/stage_1/story_arc.md` - 821 lines)
@@ -38,82 +38,69 @@
   - SecGen scenario: vulnerability_analysis
   - 6 CyBOK knowledge areas mapped
 
+#### Ink Dialogue Scripts (100% - 12 scripts complete)
+
+#### Critical Path Scripts (6/6) ✅
+1. ✅ `ink/m04_opening_briefing.ink` (326 lines)
+   - Opening briefing with Agent 0x99
+   - Mission context, threat overview, combat introduction
+   - Chemical threat explanation, The Architect revelation
+
+2. ✅ `ink/m04_npc_robert_chen.ink` (635 lines)
+   - Initial meeting (defensive → alarmed → ally)
+   - SCADA anomaly discovery and mission reveal
+   - Trust system (0-100), early reveal option
+
+3. ✅ `ink/m04_npc_voltage.ink` (417 lines)
+   - Final confrontation with Critical Mass leader
+   - Capture vs. disable choice, leverage system
+   - Ideology explanation, The Architect intelligence
+
+4. ✅ `ink/m04_phone_agent0x99.ink` (510 lines)
+   - Phone support with event-triggered calls
+   - Handler confidence tracking (0-100)
+   - Strategic guidance, Voltage capture advice
+
+5. ✅ `ink/m04_closing_debrief.ink` (375 lines)
+   - Mission outcome debrief with Agent 0x99
+   - Task Force Null revelation and assignment
+   - Public disclosure choice (full/quiet/partial)
+
+6. ✅ `ink/m04_terminal_attack_trigger.ink` (369 lines)
+   - ENTROPY command laptop terminal interface
+   - Three-vector attack disabling sequence
+   - Operation intelligence files access
+
+#### Supporting Scripts (6/6) ✅
+7. ✅ `ink/m04_npc_security_guard.ink` (170 lines)
+   - Entry checkpoint social engineering
+   - Credentials, smooth talk, or stealth paths
+
+8. ✅ `ink/m04_phone_robert_chen.ink` (194 lines)
+   - SCADA technical support (post-ally)
+   - Dosing systems guidance, urgency assessment
+
+9. ✅ `ink/m04_terminal_scada_display.ink` (217 lines)
+   - SCADA monitoring terminal interface
+   - Urgency-based parameter display, anomaly detection
+
+10. ✅ `ink/m04_npc_operative_cipher.ink` (167 lines)
+    - Combat encounter with Operative #1 (Treatment Floor)
+    - Radio alert system, optional interrogation
+
+11. ✅ `ink/m04_npc_operative_relay.ink` (162 lines)
+    - Combat encounter with Operative #2 (Chemical Storage)
+    - Master keycard drop, optional interrogation
+
+12. ✅ `ink/m04_npc_operative_static.ink` (166 lines)
+    - Combat encounter with Operative #3 (Voltage support)
+    - Final battle backup, The Architect intelligence
+
+**Total Dialogue Lines:** 3,547 lines across all 12 scripts
+
 ---
 
-## 🚧 In Progress / Not Started (30%)
-
-### Ink Dialogue Scripts (0% - 12 scripts required)
-
-#### Critical Path Scripts (6)
-1. ⬜ `ink/m04_opening_briefing.ink` → `m04_opening_briefing.json`
-   - Opening briefing with Agent 0x99
-   - Mission context and threat overview
-   - Estimated: 80-100 lines
-
-2. ⬜ `ink/m04_npc_robert_chen.ink` → `m04_npc_robert_chen.json`
-   - Initial meeting (defensive attitude)
-   - Transformation to ally after Task 1.4
-   - Technical guidance during investigation
-   - Estimated: 120-140 lines
-
-3. ⬜ `ink/m04_npc_voltage.ink` → `m04_npc_voltage.json`
-   - Final confrontation dialogue
-   - Capture vs. escape branches
-   - Ideological exchange
-   - Estimated: 35-45 lines
-
-4. ⬜ `ink/m04_phone_agent0x99.ink` → `m04_phone_agent0x99.json`
-   - Phone support throughout mission
-   - Event-triggered updates (server room, attack mechanism identified)
-   - Strategic guidance
-   - Estimated: 55-65 lines
-
-5. ⬜ `ink/m04_closing_debrief.ink` → `m04_closing_debrief.json`
-   - Mission outcome debrief
-   - Task Force Null revelation
-   - Disclosure choice reflection
-   - Campaign progression setup
-   - Estimated: 45-55 lines
-
-6. ⬜ `ink/m04_terminal_attack_trigger.ink` → `m04_terminal_attack_trigger.json`
-   - ENTROPY command laptop interaction
-   - Attack trigger disabling sequence
-   - Estimated: 30-40 lines
-
-#### Supporting Scripts (6)
-7. ⬜ `ink/m04_npc_security_guard.ink` → `m04_npc_security_guard.json`
-   - Entry checkpoint dialogue
-   - Credential verification
-   - Estimated: 20-25 lines
-
-8. ⬜ `ink/m04_phone_robert_chen.ink` → `m04_phone_robert_chen.json`
-   - Phone contact for technical support
-   - Available after becoming ally
-   - SCADA expertise hints
-   - Estimated: 30-40 lines
-
-9. ⬜ `ink/m04_terminal_scada_display.ink` → `m04_terminal_scada_display.json`
-   - SCADA monitoring terminal interface
-   - Anomaly identification (Task 1.4)
-   - Urgency stage visualization
-   - Estimated: 25-35 lines
-
-10. ⬜ `ink/m04_npc_operative_cipher.ink` → `m04_npc_operative_cipher.json`
-    - Combat encounter dialogue (brief)
-    - Optional surrender/interrogation
-    - Estimated: 15-20 lines
-
-11. ⬜ `ink/m04_npc_operative_relay.ink` → `m04_npc_operative_relay.json`
-    - Combat encounter dialogue (brief)
-    - Optional surrender/interrogation
-    - Estimated: 15-20 lines
-
-12. ⬜ `ink/m04_npc_operative_static.ink` → `m04_npc_operative_static.json`
-    - Final battle support dialogue (brief)
-    - Voltage's backup operative
-    - Estimated: 10-15 lines
-
-**Total Estimated Voice Lines:** 480-595 lines across all scripts
+## 🚧 In Progress / Not Started (15%)
 
 ### Asset Production (0%)
 
@@ -237,21 +224,15 @@
 ## Next Steps (Priority Order)
 
 ### Immediate (Required for Playable Mission)
-1. **Create Ink Dialogue Scripts** (Critical Path - 6 scripts)
-   - Start with: m04_opening_briefing.ink
-   - Then: m04_npc_robert_chen.ink (most complex, ~140 lines)
-   - Then: m04_phone_agent0x99.ink
-   - Then: m04_npc_voltage.ink
-   - Then: m04_terminal_attack_trigger.ink
-   - Then: m04_closing_debrief.ink
+1. ✅ **Create Ink Dialogue Scripts** COMPLETE
+   - All 12 scripts created (3,547 lines total)
+   - Critical path: 6/6 complete
+   - Supporting: 6/6 complete
 
-2. **Create Supporting Ink Scripts** (6 scripts)
-   - Simpler dialogue for security guard and operatives
-   - Terminal interfaces
-
-3. **Compile Ink to JSON**
+2. **Compile Ink to JSON** (Next Priority)
    - Convert all .ink files to .json using Ink compiler
    - Validate compiled JSON structure
+   - Test dialogue flow in game engine
 
 ### Short-term (Asset Production)
 4. **Character Sprites** (if available from art team)
@@ -285,8 +266,8 @@
 ### Content Volume
 - **Total Planning Documentation:** ~9,297 lines
 - **Scenario Implementation:** 931 lines
-- **Estimated Dialogue:** 480-595 lines
-- **Total Code/Content:** ~10,708-11,823 lines
+- **Dialogue Scripts:** 3,547 lines (12 Ink files)
+- **Total Code/Content:** ~13,775 lines
 
 ### Gameplay Specifications
 - **Playtime:** 60-80 minutes (target)
@@ -320,12 +301,12 @@
 ### Documentation Completeness
 - **Stage 1-9 Planning:** 100% ✅
 - **Scenario Implementation:** 100% ✅
-- **Dialogue Scripts:** 0% ⬜
+- **Dialogue Scripts:** 100% ✅
 - **Asset Production:** 0% ⬜
 
 ### Overall Readiness
-- **Core Structure:** 100% (playable skeleton complete)
-- **Content:** 70% (needs dialogue, assets)
+- **Core Structure:** 100% (scenario.json.erb validated)
+- **Content:** 85% (dialogue complete, needs assets)
 - **Polish:** 0% (needs VO, music, final testing)
 
 ---
@@ -336,6 +317,8 @@
 - **Zero Validation Errors:** Following Stage 9 assembly guide resulted in perfect schema compliance on first full validation
 - **Planning Quality:** All 9 stages completed with comprehensive documentation before implementation
 - **Reference Architecture:** Followed M1/M2 patterns successfully for vm-launcher, flag-station, NPC structure
+- **Dialogue Completeness:** All 12 Ink scripts created (3,547 lines), exceeding initial estimates by 735%
+- **Branching Complexity:** Multi-variable dialogue systems (trust, confidence, leverage) with ~40+ unique conversation paths
 
 ### Known Dependencies
 - **Ink Compiler:** Required for .ink → .json conversion
@@ -350,4 +333,4 @@
 
 ---
 
-**Status:** Ready for dialogue script development. Core structure complete and validated.
+**Status:** Dialogue implementation complete. Ready for Ink compilation and asset production. Core mission playable pending JSON compilation.